@book{167528,
	author = {Palmer, Joy. and ebrary, Inc.},
	title = {Fifty key thinkers on the environment},
	publisher = {Routledge,},
	year = {2001.},
	series = {Routledge key guides},
	address = {London :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10053828}
}